<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">商品管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
     <!-- 卡片视图区域 -->
<el-card>
  <el-row :gutter="20">
    <el-col :span="8">
   <el-input placeholder="请输入内容" v-model="querryInfo.query" clearable @clear='getGoodsList'>
   <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
   </el-input>

    </el-col>
    <el-col :span="4">
      <el-button type="primary" @click="goAddpage"> 添加商品</el-button>
    </el-col>
    </el-row>
    <!--  table表格区 -->
    <el-table :data=" goodsList" border stripe>
    <el-table-column type="index"></el-table-column>
    <el-table-column label="商品名称" prop="goods_name" ></el-table-column>
    <el-table-column label="商品价格（元）" prop="goods_price" width="120px"></el-table-column>
    <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
    <el-table-column label="创建时间" prop="add_time" width="180px">
      <template slot-scope="scope">
        {{scope.row.add_time | dataFormat}}
      </template>
    </el-table-column>
    <el-table-column label="操作" width="300px">
    <template slot-scope="scope">
    <el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
    <el-button size="mini"  type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除</el-button>
    </template>
    </el-table-column>
    </el-table>
     <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="querryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="querryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total" background>
      </el-pagination>
</el-card>
    </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      querryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      //  总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', { params: this.querryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      console.log(res.data)
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(newSize) {
      this.querryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.querryInfo.pagenum = newPage
      this.getGoodsList()
    },
    //  根据id删除对应的用户信息
    async removeById(id) {
      // 弹框询问用户是否删除
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      //  如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回字符串 cancel
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消了删除')
      }

      const { data: res } = await this.$http.delete(`goods/${id}`)

      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }

      this.$message.success('删除成功')
      this.getGoodsList()
    },
    goAddpage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>

</style>
